package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.exception.PasswordEditFailedException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     * 捕捉运行时异常
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }

    //捕捉SQL破坏完整性的异常
    @ExceptionHandler
    public Result  exceptionHandler(SQLIntegrityConstraintViolationException ex)
    {
        //Duplicate entry 'humouren' for key 'employee.idx_username'
        String massage =ex.getMessage();
        if(massage.contains("Duplicate entry"))
        {
            String[] s = massage.split(" ");
            massage=s[2]+ MessageConstant.ALREADY_EXISTS;
            return Result.error(massage);
        }
        else
        {
            return Result.error(MessageConstant.UNKNOWN_ERROR);
        }
    }

    //修改密码错误异常
    @ExceptionHandler
    public Result  exceptionHandler(PasswordEditFailedException ex)
    {
        return Result.error(ex.getMessage());
    }
}
